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[PATCH] [graphite] do not collect cold loops in scops
- From: Sebastian Pop <s dot pop at samsung dot com>
- To: sebpop at gmail dot com
- Cc: gcc-patches at gcc dot gnu dot org, hiraditya at msn dot com, Sebastian Pop <s dot pop at samsung dot com>
- Date: Thu, 5 Nov 2015 16:05:41 -0600
- Subject: [PATCH] [graphite] do not collect cold loops in scops
- Authentication-results: sourceware.org; auth=none
* graphite-scop-detection.c (loop_is_valid_scop): Call
optimize_loop_nest_for_speed_p.
---
gcc/graphite-scop-detection.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
index ae8497d..f22e9cc 100644
--- a/gcc/graphite-scop-detection.c
+++ b/gcc/graphite-scop-detection.c
@@ -956,6 +956,13 @@ scop_detection::loop_is_valid_scop (loop_p loop, sese_l scop) const
if (!scop)
return false;
+ if (!optimize_loop_nest_for_speed_p (loop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] loop_"
+ << loop->num << " is not on a hot path.\n");
+ return false;
+ }
+
if (!can_represent_loop (loop, scop))
{
DEBUG_PRINT (dp << "[scop-detection-fail] cannot represent loop_"
--
1.9.1